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$308+ Cheap flights from Rhode Island to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
PVD — OPO
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Rhode Island to Porto

Keep the following information in mind while searching for Rhode Island to Porto flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$608
(oojo)

One-way from

$316
(PLAY)

Popular in

June

Cheapest in

January

Average price

$718
Provider with most accurate pricing for Boston Logan Intl-Porto flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Porto flights.
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From Rhode Island to Porto
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One-way flight from Rhode Island to Porto
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Highest demand for flights based on searches. 16% potential increase in price ($129 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Rhode Island to Porto

Cheapest flights from Rhode Island to Porto
Explore the most affordable flight options available from Rhode Island to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Air Canada deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:00 amBOS - OPO
2 stops24h 25mAir Canada
Tue 10/216:00 amOPO - BOS
2 stops20h 22mAir Canada
Deal found 4/29$604
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/14:15 pmBOS - OPO
2 stops39h 20mMultiple Airlines
Wed 5/1410:00 pmOPO - BOS
1 stop28h 05mMultiple Airlines
Deal found 4/30$605
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:50 pmBOS - OPO
1 stop9h 45mUnited Airlines
Tue 8/2612:50 pmOPO - BOS
1 stop25h 45mUnited Airlines
Deal found 4/29$608
This SWISS deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/79:40 pmBOS - OPO
1 stop32h 45mSWISS
Wed 8/2712:20 pmOPO - BOS
1 stop12h 35mSWISS
Deal found 4/30$610
This Booking.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1111:15 pmBOS - OPO
Nonstop6h 40mTAP AIR PORTUGAL
Thu 8/219:00 amOPO - BOS
1 stop10h 20mTAP AIR PORTUGAL
Deal found 4/30$613
This British Airways deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/17:40 pmBOS - OPO
1 stop18h 50mBritish Airways
Tue 7/88:40 pmOPO - BOS
1 stop19h 40mBritish Airways
Deal found 4/30$615
This Lufthansa deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/18:05 pmBOS - OPO
1 stop22h 15mLufthansa
Thu 8/286:15 amOPO - BOS
1 stop16h 25mLufthansa
Deal found 4/30$616
This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/19:20 pmBOS - OPO
1 stop9h 20mIberia
Sat 9/1312:20 pmOPO - BOS
1 stop12h 30mIberia
Deal found 4/30$622
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/281:20 pmBOS - OPO
2 stops13h 15mAmerican Airlines
Wed 9/1012:20 pmOPO - BOS
2 stops15h 02mAmerican Airlines
Deal found 4/29$628
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/306:50 pmBOS - OPO
1 stop15h 40mDelta
Tue 8/56:35 amOPO - BOS
1 stop18h 45mDelta
Deal found 4/28$631
This KLM deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/18:15 pmBOS - OPO
1 stop14h 20mKLM
Tue 7/156:35 amOPO - BOS
1 stop12h 00mKLM
Deal found 4/29$643
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/14:29 pmPVD - OPO
2 stops35h 51mUnited Airlines
Mon 8/2512:35 pmOPO - PVD
2 stops31h 05mUnited Airlines
Deal found 4/30$838

Cheapflights Fare Finder

Customize your flight search to find flights from Rhode Island to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Rhode Island to Porto that are best for you.

Fly from

Rhode Island

Fly to

Porto

Route

Depart

Return

Price

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 5/18

10:20 pm-5:00 pm

1 stop13h 40m

Porto

Sat 10/25

5:40 pm-8:20 pm

Nonstop7h 40m

$608

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 5/18

5:05 pm-6:15 pm

1 stop20h 10m

Porto

Sat 10/25

8:40 am-3:25 pm

1 stop11h 45m

$610

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 7/1

6:03 pm-9:20 am

2 stops34h 17m

Porto

Thu 8/28

12:10 pm-5:48 pm

2 stops34h 38m

$611

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 7/1

7:13 am-7:30 pm

2 stops31h 17m

Porto

Tue 7/8

8:40 pm-11:34 pm

2 stops31h 54m

$612

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 5/14

7:15 pm-10:35 pm

2 stops22h 20m

Porto

Wed 5/21

2:05 pm-5:50 pm

3 stops32h 45m

$614

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 7/1

5:50 am-11:30 am

2 stops24h 40m

Porto

Mon 8/25

6:15 am-6:13 pm

2 stops16h 58m

$620

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 5/28

1:20 pm-7:35 am

2 stops13h 15m

Porto

Wed 9/10

12:20 pm-10:22 pm

2 stops15h 02m

$628

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 6/30

6:50 pm-3:30 pm

1 stop15h 40m

Porto

Tue 8/5

6:35 am-8:20 pm

1 stop18h 45m

$631

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 5/12

10:50 pm-8:00 am

1 stop28h 10m

Porto

Thu 5/22

8:40 am-9:05 pm

1 stop17h 25m

$637

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 7/1

8:15 pm-3:35 pm

1 stop14h 20m

Porto

Tue 7/15

6:35 am-1:35 pm

1 stop12h 00m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 35 results
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Best time to book a flight from Rhode Island to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Rhode Island with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rhode Island to Porto

What is the cheapest time of day to fly from RI to OPO?

Find hourly flight availability from Rhode Island to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Rhode Island to Porto as you normally would.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated May 1, 2025.
Read reviews from past customers who have flown Delta, KLM and Azores Airlines from Rhode Island to Porto. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Rhode Island to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Rhode Island?

    Located just 6.8 mi from the city center, Porto (OPO) is the airport most travelers will use when flying to Porto from Rhode Island.

  • What are the cheapest airlines to fly from Rhode Island to Porto one-way?

    To fly one-way, consider booking your trip with PLAY, which is currently one of the cheapest options available, starting at $316. Iberia flights start at $343 while deals on British Airways start at $423 one-way.

  • Can I find deals for flights from Rhode Island to Porto that include hotel bookings?

    Yes. In addition to deals on Rhode Island to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rhode Island to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rhode Island to Porto.

  • Can I find deals for business class flights from Rhode Island to Porto?

    Yes. Cheapflights offers flight deals from Rhode Island to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rhode Island to Porto?

    Currently, January is the cheapest month in which you can book a flight from Rhode Island to Porto (average of $523). Flying from Rhode Island to Porto in June is currently the most expensive (average of $1,071). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Rhode Island?

Book flights to Rhode Island if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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Alternative routes for Rhode Island to Porto

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